The answer is:
x=-8
Because:
If you pick a number(-8) to fill in the equation written below
5x+20+5x=5x-20
After applying the -8 to x you get
-40+20-40=-40-20
When you simply the both sides you get
-60=-60
And that’s right -60 is equal to -60!
97.8ft^2 but if you round it to the nearest 10 it will be 100ft^2
For 10 here is the answer and for 9 i’ll reply to my comment
Answer:
The answer is (4x-1)·(3x+2)
Step-by-step explanation:
